Heel-breasting machine



L. A. CASGRAIN.

HEEL BREASTING MACHINE.

APPLICATION FILED FEB. a, 1917.

2 SHEETSSHEET Eatented July 12, 192K.

)Illl\IIIIJInIJIIIIIIIIIIIIIA L. A. CASGRAIN. HEEL BREASTING MACHINE.

APPLICATION FILED FEB- 8, I917.

Z'SHEETS-SHEET 2.

Patented July 11.2 1921.,

-//\/ VE /V 7 17/ 1 III-IE rIII ILI I III sar @FFHIEQ LOUIS A. GASGBAIN, OF BEVERLY, MASSACHUSETTS, ASSIGNOR, BY IWESNE ASSIGN- ivinirrs, TO UNITED SEY, A CORPORATION on NEW JERSEY.

IJIP OEEINERY CORZ ORA' IOJ, OF EATERSGN, NEW JER- HEEL-BREASTZNG lS-ILACHXNE.

Application filed February 8, 1917.

y s before they attached. Herctotore it has been almost invariably 1 practice in this country to breast heels alter they have been attached to shoes to as i that in this way the hreastin; i a made in proper relation to tl arts of the sheet the requiremen demanding great accuracy and uniin the relation of the plane of the to the plane of the shank and to the uhnal 1110*;11311 line or the shoe. More n however. manufacturing condihare been such as to create a demand for a machine ior breasting unattached heels, particularly low heels such as are us l on son-1o men's shoes and on boots and shoes destined tor military use. In the manula ture of such toot wear the chief considerntions are lar 'e production with uniforml and (l ,bihty of product, By br astheels ore they are attached this opion can be ncr'fo inied more expeditiously 'er of accidental nr ury to the W 1 I L v v tne breastmg mute is Outloperate with aecurac this invention consists in th a reciprocating knife, ed that in 1 position i an t 0 {re only a. predetermined, the heel can be introduced. beknite, and in no position of the ease and l-tnite can the heel as whole be iutrmluced between the and knife in which he heel or the machine would I As herein shown, the

heath the l or both.

{3315; t a itiw-ly moved with the knife in loth (lllQtllOliS and the vertical space he- Patented July 12, 1921.,

Serial No. 147,478.

tween the gage and the knife is always less than the height of the heel. Therefore, in any position of the knife such that a heel may be fed under the knife the gage is in position to arrest the heel in position to have a predetermined portion of the breast end of the heel removed by the knife and during the cutting operation of the knife the gage is moved out of the way oi the chip cut oil by the knife to permit it to fall away from the machine.

rtnother feature or the invention consists in the combination with heel breasting; means, of a heel clamp, and means for moving tle breasting means and clamp constructed and arranged to cause the clamp to release the heel by the time that the breastinp; means begins its return movement. so tha the operator may remove the heel as soon as possible after the breasting op- ,ration is complete. Flirt iermore, the movements oi the breasting means and the clamp are so related thatthe clamp will be move (l to permit a heel to be presented to the knife as soon as the breasting means begins to move away from the heel when no heel is in the machine and "urther the heel is clamped at an early point in the movement of approach of the knife to the heel so that the operator may safely let go of that heel and seize another for insertion in the machine as soon as the breasting operation is pleted. As herein shown, the knife can has frictional connection with the s so that the clamping means ly with the knife. and stops are arrang'ch to limit movement of the ping incans to cause the desired morere and clamping means relaoi the l or to 'ether to etlect the functions Furthermore, it will be d that by reason of this frictional coir t the pressure oi? the clamp upon the i will constant throughout the period contact of the clamp with the heel. -hese and other features of the invention in re fully from the following i description when read in connec tion with the accompanying drawings and will be pointed out in the appended claims In the drawings l igure 1 is a side view of the upper portion of a heel brcasting machine embodying); this invention; and 7 Fig. 2 is a front view of the machine.

Referring to the drawings, the frame of he machine is indicated by the numeral 2. n the upper part of the frame 2 a slide is mounted for vertical reciprocation.

are a continuous operation while permitting the operator to remove his foot from the treadle, a treadle latch may be provided which holds the treadie c eration of a treadle.

The shoe iepressed until released by optrip arranged adprcent to the has a lateral projection 19 ich is moved thereby in a table 22 upon which is by a screw 2i a cutting block 28. 22 is mounted on a support 28 by trunnions 30, the'anes of which lie under the knife edge and about which the table and block e 'ljustable for varying the angular relation of the heel and the knife. iifscrew threaded into the table 22 and lying in a slot formed in the support serves to hold the parts in adjusted position. The support 28 is lined to the upper end of a vertically adjustable post 3% which is pivoted on the machine frame near the floor for adjustment perpendicularly to the plane of the knife. An arm 36 and a bracket 38 carry, respectively, screws 40, i2 ar ranged to ngage opposite sides of the machine frame. By these screws the position the sup ort 28 relatively to the knife may be v ed and hence the axis of the trunnions Ell) can be proper y positioned relati c y to the knife ed 'e in direction perpendicular to the olane of the knife.

The heels to be breasted are placed one a time upon the cutting block 26, areferably with the tread face of the heel in contact vit the block. The lateral position of he heel is preferably determined by a V c held by a split clamp d ad nstible laterally of the cutting a thumb head having a stem for rotation in the split clamp "inc threaded engagement with the .J single sine lie iroper angle relatively to the and to deternnne the amount to be by the knife, a gage (30 is provided.

he slide is connected by a rod 8 to a The gage is connected to a support 62 by means of a T-guide 61 (Fig. 2) engaging a T-slot 63 in the support 62 which is adustably mounted on the lower ends of side rods G l, the upper ends of which are fixed to the knife carrier 19. T he gage 60 is adjustable relatively to its support (32 by means of a screw 65 threaded into the sou port 62 and having a flange 66 engaging a suitable recess in the gage 60. The front face of the gage against which the heel is positioned, instead of being flat, is preferably formed so as to engage the heel only at separated points on the heel breast so that the rough heel breast will be positioned positively and unifornny and rocking of the heel in a horizontal plane will be prevented. As shown (Fig. 2), two ribs -68 are provid d at the lateral ends of the gage with which the heel breast contacts near its ends. The rear face 70 of the gage (S0 is inclined downwardly and to the rear so that the chip removed from the breast by the knife will readily slide off the inclined face of the gage into a chute or receptacle. it sometimes happens that the chip, instead of falling as a whole upon the inclined face of the gage, breaks in two, leaving a portion, generally the cut off part of the lower lift, resting on the portion of the block vhich extends beyond the knife. To prevent this chip fragment from interfering with the positioning of the next heel against the (rage, a space 69 is provided below the front fa e of the gage and the ribs 63 into which the fragment may be pushed by succeeding heel.

it is important, that the heel be held against the cutting block during the action of the knife to overcome any .endency of the knife to displace the heel, and it also highly important that the heel be released by its holdingrmeans as early possible after the heel is breasted to allow the operator time to remove breasted heel and sort an unbreasted heel. To hold the heel, a clamping member '56 is provided which consists (as shown) of a plate bent at right angles having one portion disposed to present an edge face to the heel 1n the direction of the knife edge and adjacent to it and having the other portion. secured to a barTS.

of friction by a spring 86, the tension of which may be carried by a screw plug 88.

T he amount of movement of the clamp bar 78 is limhcd and adjusted by means of clamp collars 90, 92 on the bar, one above and one below the neck of the bracket 38.

The collar 90 is, of course, adjusted so that the clampin member 76 contacts with the heel before the collar contacts with the neck 39. This collar prevents excess movement of the clamping member when no heel is in the machine and, since the clamping member is not allowed to move far below clamping position, it is raised more quickly when the knife starts upwardly and permits the operator, therefore, to insert the first heel earlier in the cycle of the machine. In subsequent cycles the breasted heel will be released as soon as the upward movement of the knife begins, giving the operator much time as possible to remove the breast ed heel and insert an unbreasted one before tne knife again descends. The clamping n ember is prevented by the clamp collar 92 i as high as the knife, and hence when the k e descends the heel imped before the knife reaches it.

*1 the operation of the machine, upposthe machine to be at rest, a heel is placed he block with the tread face down. 'lie heel is then slid along the block beneath knife, being positioned at the side the and at the breast by engagement ie two ribs of the breast gage which the end oortions of the breast. The h the machine is trioped and the living member T6 descends by reason of the friction of the plates 80, 82 upon the bar Z9 carrying the clamping member which engages the heel and clamps it firmly against 40 t cut-ti block before the knife reaches it. cs 80, 32 sliding on th bar Y9 mainout and continuous pressure upon e 'znife descending relatively member breasts the heel and the out of the way removed. l hen the knife 1 cutting block the is in line position or r 1g 1 wnd the heel by the ltniie 1 r 4 d ,v ,i (G 01 i3 e g from tne machine. When to ascend the place. ll hile the next heel is bein the lznife and gage are assince the space between the age is less than the thickness cannot be forced into the Hem but must engage either 1 "if the heel en 'age L is done and continued vill cause it to contact with its the when the gage has reached its upper position. A this time, any chip or fragments which may have caught on the por tion of the block :26 which projects beyond the knife are pushed by the heel which is being inserted into the space below the gaging face of the and do not interfere with the proper positioning of the heel against the gage.

When the heel is being breasted witn its tread face against the cutting block the angle between the breast and tread faces of the heel may be varied by loosening the screw 32 and raising the outer end of the block 26 about the center 80 out of horizontal position, then setting up the screw Then the heels are to be breasted with the tread face uppermost the outer end of the block will be adjusted downwardly out of the horizontal to give the proper inclina tion to the heel breast. The operation of the machine will then be substantially as above described.

Having fully described my invention, what I claim as new and desire to secure by United States Letters Patent is 1. In a machine for breasting unattached heels, the combination of a vertically reciprocating knife, a cutting block, a gage arranged for vertical movement across one .end of the block into a position where its top is above the heel when the heel is fed and for movement out of gaging position relatively to a heel on the block when the breasting is completed, and means for operating the to maintain the vertical distance between the top of the gage and the knife edge constantly less than the height of a normal heel.

2. in a machine of the class described, the combination of a knife carrier, a knife in the carrier, a gage carrier, a cutting block, connections between the gage carrier and the knife carrier to effect movements of the gage carrier past the end of the block equal to the movements of the knife and in the same direction, and a on the carrier arranged to position a heel on the block for the action of the knife.

A machine of the class described having, in combination, a cutting block, a knife holder, a knife in the holder, a carrier, a breast carried thereby. means for maintaining a fixed relat on between th knife holder and the gage carrier to maim tain unchanged the relative position of the lznife and the gage in the dir ction of the ut of the knife, and means for rclativelv moving the cutting block and the knife holder to effect the cutting operation.

In a machine for breastin unattachcc heels, the combination of knire holder, a cutting block, a gage arranged at the end of the block with its top above the heel when the heel is fed and having a fixed relation relatively to the knife, and means for relatively moving the knife and block in the plane of the knife to cause the heel to be breasted and the gage and block to be moved relatively to allow the chip to fall off of the cutting block.

5. In a machine of the class described, the combination of a knife carrier, a knife in the carrier, a gage carrier, substantially rigid rods fixedly connecting the gage carrier to the knife carrier, and a gage on the carrier coextensive with the heel breast and arranged for right line adjustment bodily toward and from the heel to vary the amount of material cut off by the knife in its cut ting operation.

6. In a machine for breasting heels, the combination of breasting means movable toward and from the heel, a heel clamping member movable toward and from the heel and movable relatively to the knife in timed relation thereto, and means constructed and' arranged to cause the clamping member to release the clamped heel by the time that the breasting means begins its return movement.

7. In a machine for breasting unattached heels, the combination of a cutting block, a knife carrier arranged to reciprocate toward and from the block, a heel clamping member movable toward and from the block, and connections between the knife and the clamping member constructed and arranged to cause the clamp to clamp the heel throughout the cutting action of the knife and to release the heel as soon as the knife begins to return after its breasting stroke.

8. In a machine for breasting heels, the combination of breasting means movable toward and from the heel, heel clamping means movable to and from the heel, and means for moving the breasting means and the clamping means at times together and at times relatively, the movement together taking place at the beginning of each upward movement of the breasting means whether or not a heel is in the machine.

9. In a machine for breasting heels, the combination of a cutting block, breasting means movable toward and from the cutting block, clamping means movable toward and from the block, connections between the breasting means and the clamping means whereby they move at times together and at times relatively, and means for limiting the movement of the clamping means in such manner that the clamping means is moved to admit a heel upon the block immediately after the breasting means begins to move away from the block when no heel is in the machine.

10. In a machine for breasting unattached heels, a cutting block, a knife carrier arranged to reciprocate toward and from the upper face of the block, heel clamping means movable toward and from a heel on. the block, and connections between the clamping member and the knife carrier whereby they may move together, the parts being constructed and arranged to clamp the heel by the time that the knife begins its cutting action and to release it as soon as the knife begins its return movement.

11. In a machine of the class described, a work support, a reciprocating knife, a clamping member arranged to engage a heel to hold the heel on the support during the action of the knife, and friction. means for moving the clamping member toward and from the support as the knife is reciprocated.

1.2. In a machine for'breasting unattached heels, a cutting. block, a knife carrier arranged to reciprocate toward and from one face of the block, clamping means comprising a bar arranged to be reciprocated in the same direction as the knife carrier toward and from a heelon the block, and a sliding connection between the bar and the carrier whereby they are frictionally held for movement together and the bar is actuated from the carrier to clamp a heel when the carrier descends and to unclamp the heel when the carrier ascends.

13. In a machine for breasting. unattached heels, a cutting block, a knife carrier arranged to reciprocate toward and from the upper face of the block, heel clamping means comprising a bar arranged to be reciprocated in the same direction as the knife carrier toward and from a heel on the block, a sliding connection between the bar and the carrier whereby they are frictionally. held for movement together, and means for limiting the movement of the clamping bar relatively to the movement of the knife.

14. In a machine for breasting unattached heels, a cutting block, a knife carrier arranged to reciprocate toward and from one face of the block, a heel clamping member movable toward and from a heel positioned on the block, and means operated by movement of the knife for maintaining the clamping member against the heel with a constant pressure throughout the breasting operation. 7

15. In a machine of the class described, the combination of a reciprocating knife, a cutting block against which the knife acts, a support for the cutting block pivoted on an axis extending parallel with the knife edge, said support being movable substantially perpendicularly to the knife edge, and means for adjusting the support to locate said pivot in the plane of action of the knife and to maintain it in adjusted position.

In testimony whereof I have signed my name to this specification.

LOUIS A. CASGRAIN. 

